DNS Lookup / tools

DNSChecker - https://dnschecker.org/ Will check if your DNS is up-to-date for specific regions, can also refresh automaticly every X seconds to check again. IPv6-test - https://ipv6-test.com/ Service that checks your IPv6 and IPv4 connectivity, diagnose connection problems, discover which address(es) you are currently using to browse the Internet and what is your browser's protocol of choice when both v6 and v4 are available. Hosting-Checker - https://hosting-checker.net/ Checks DNS records, outgoing and incoming mail servers and the current NameServers SkipDNS - https://www.skipdns.link/ Preview your website without changing the hosts file on your machine Subdomainfinder - https://subdomainfinder.c99.nl/ Search for all the subdomains on a domain